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Round|Natural|GIA

3.15ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5556007603

Certificate GIA 5556007603

Diamond specifications and retailer prices

From $35,983 AUD
$25,276 USD
As of November 1, 2026
Save $26,202 AUD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $62,185 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.15ct natural round diamond

This 3.15ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556007603. Listed at 10 retailers as of November 1, 2026, with prices from $35,983 to $62,185, a $26,202 spread on the same certified stone. MOH London lists it at $62,185. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.15
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5556007603
Dimensions9.25 × 9.33 × 5.85 mm
L/W Ratio1.01
Top View
9.25 mm9.33 mm3.15 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556007603
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $62,185 AUD|Low: $35,983 AUD|High: $63,995 AUD|Avg: $46,098 AUD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$35,983 AUD
Retailer 5$38,435 AUD
Retailer 3$43,477 AUD
Retailer 7$43,477 AUD
Retailer 6$44,929 AUD
Retailer 8$46,303 AUD
Retailer 2$48,364 AUD
MOH London$62,185 AUD

32 data points across 8 retailers

10 retailers$35,983 AUD to $62,185 AUD

B+
Cheapest Retailer
-
$35,983 AUD
$25,276 USD
B+
Retailer 2
-
$38,435 AUD
$26,998 USD
View
Retailer 3
-
$42,176 AUD
$29,626 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$42,513 AUD
$29,863 USD
View
Price last confirmed 33 days ago
B
Retailer 5
-
$43,477 AUD
$30,540 USD
View
B
Retailer 6
-
$43,477 AUD
$30,540 USD
View
Retailer 7
-
$43,863 AUD
$30,811 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$44,929 AUD
$31,560 USD
View
B
Retailer 9
-
$48,364 AUD
€32,355 EUR
View
Most Expensive
B
MOH London
340465475 · Nov 1
$62,185 AUD
£34,395 GBP
View
9 more retailers have this diamond
Prices start from $35,983 AUDSave up to $26,202 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.15ct Round
$35,983 AUD